When someone inquired how many Spartans ...

When someone inquired how many Spartans there were, he said, "Enough to keep all bad men away."

πυνθανομένου δέ τινος πόσοι εἰσὶν οἱ Λακεδαιμόνιοι, ‘ὅσοι ἱκανοί’ εἶπε ‘τοὺς κακοὺς ἀπερύκειν.’

Plutarch - Apophthegmata Laconica – Archidamus